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Dobutamine induced severe midventricular obstruction and mitral regurgitation in left ventricular apical ballooning syndrome
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A 73 year old woman with no history of cardiac disease was admitted for chest pain of 12 hours duration not related to physical or emotional stress. Admission ECG showed a 1 mm ST segment elevation from V1–V3 with negative T waves in V4–V6. Creatine kinase MB (CK-MB) mass and troponin I were significantly raised (28 ng/ml and 2.5 ng/ml, respectively). The patient underwent emergency coronary angiography. This showed …